- Cheapest roundtrip flight
- from€426
- Fastest outbound flight
- Fastest inbound flight
- non-stop flights
- 11x / week
- Flight distance
- 3,822 km
- Time difference
- Most popular airlines
- American Airlines
- Alaska Airlines
- American Airlines
Flight schedule from Philadelphia (PHL) to Seattle-Tacoma (SEA)
Select a travel date in the flight schedule for the route from Philadelphia (PHL) to Seattle-Tacoma (SEA) and compare affordable flight deals.
offers
Active filtersnone
Matching outbound flightsPHL–SEA · 8 of 8
fromto
dep.arr.
durationstopovers
- October 4 – 10, 2026
- October 11 – 17, 2026
- October 18 – 24, 2026
- PHLSEAnonstop
- PHLSEAnonstop
- PHLSEAnonstop
- PHLSEAnonstop
- PHLSEAnonstop
- PHLSEAnonstop
- PHLSEAnonstop
- PHLSEAnonstop
Important flight information
Frequently Asked Questions (FAQ)
How long is the flight from Philadelphia to Seattle-Tacoma?
A nonstop flight from Philadelphia to Seattle-Tacoma typically takes around 6 hours 1 minutes. If you choose a connecting flight, allow more travel time. Typical one-stop itineraries take around 8 hours 56 minutes. For the quickest trip, a nonstop flight is usually the most comfortable choice.
Are there nonstop flights from Philadelphia to Seattle-Tacoma?
Yes, there are nonstop flights from Philadelphia to Seattle-Tacoma, although not necessarily every day. On average, around 11 to 12 flights per week are available. If you have flexibility with your travel dates, you will have an easier time finding a suitable nonstop connection.
Which airlines fly from Philadelphia to Seattle-Tacoma?
Direct flights from Philadelphia to Seattle-Tacoma are operated by, among others, American Airlines and Alaska Airlines. Connecting flights with one stop are also available, for example with Delta (via Atlanta) and Sun Country Airlines (via Minneapolis). If travel time matters to you, a direct flight is usually the most convenient option. Connecting flights often give you more choice of departure times and airlines.
On which days are there nonstop flights from Philadelphia to Seattle-Tacoma?
Nonstop flights from Philadelphia to Seattle-Tacoma operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.
How many flights are there per day from Philadelphia to Seattle-Tacoma?
On the route from Philadelphia to Seattle-Tacoma, there are on average around 1 to 2 flights per day. The number of flights can vary by day of the week and season. If you are flexible with your dates, it is worth comparing several departure days.
How many flights per week are there from Philadelphia to Seattle-Tacoma?
On the route from Philadelphia to Seattle-Tacoma, there are around 11 to 12 flights per week. The number of flights can vary depending on the season and day of the week. If you have flexibility, it is worth looking at several departure days.
When does the first flight from Philadelphia to Seattle-Tacoma depart?
The earliest nonstop flight from Philadelphia to Seattle-Tacoma usually departs at 7:00 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in Seattle-Tacoma.
When does the last flight from Philadelphia to Seattle-Tacoma depart?
The last nonstop flight from Philadelphia to Seattle-Tacoma usually departs at 6:50 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.